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    • 71. 发明授权
    • Ultrasonic flow meter
    • 超声波流量计
    • US07024944B2
    • 2006-04-11
    • US10870317
    • 2004-06-16
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • G01F1/66
    • G01F1/667G01F1/662
    • The present invention proposes an ultrasonic flow meter, comprising a conduit for measurement in which a liquid flows therein, and a pair of measurement sections which are provided in said conduit for measurement and are spaced apart by a certain interval along its longitudinal direction, and which obtains the flow velocity of said flowing liquid from the difference in the propagation time periods of ultrasonic in the two opposite directions between these measurement sections, and thereby measures the flow rate thereof; wherein a pair of fixing portions are provided which respectively support said conduit for measurement at the exterior side and also at the interior side in the longitudinal direction of said measurement sections.
    • 本发明提出了一种超声波流量计,其包括用于测量流体的流体管道,以及一对测量部分,其设置在所述测量管道中,并沿着其纵向间隔一定间隔,并且其中 从这些测量部之间的两个相反方向上的超声波的传播时间段的差中获得所述流动液体的流速,从而测量其流量; 其中,设置有一对固定部分,它们分别支撑所述测量部分的外侧和内侧的用于测量的导管。
    • 72. 发明授权
    • Ultrasonic flow meter
    • 超声波流量计
    • US06978683B2
    • 2005-12-27
    • US11070034
    • 2005-03-02
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • G01F1/66
    • G01F1/667G01F1/662
    • The present invention proposes an ultrasonic flow meter, comprising a conduit for measurement in which a liquid flows therein, and a pair of measurement sections which are provided in said conduit for measurement and are spaced apart by a certain interval along its longitudinal direction, and which obtains the flow velocity of said flowing liquid from the difference in the propagation time periods of ultrasonic in the two opposite directions between these measurement sections, and thereby measures the flow rate thereof; wherein a pair of fixing portions are provided which respectively support said conduit for measurement at the exterior side and also at the interior side in the longitudinal direction of said measurement sections.
    • 本发明提出了一种超声波流量计,其包括用于测量流体的流体管道,以及一对测量部分,其设置在所述测量管道中,并沿着其纵向间隔一定间隔,并且其中 从这些测量部之间的两个相反方向上的超声波的传播时间段的差中获得所述流动液体的流速,从而测量其流量; 其中,设置有一对固定部分,它们分别支撑所述测量部分的外侧和内侧的用于测量的导管。
    • 75. 发明授权
    • Operational amplifier
    • 运算放大器
    • US06922105B2
    • 2005-07-26
    • US10632849
    • 2003-08-04
    • Hiroshi ImaiMitsuru AokiHiroyuki Ban
    • Hiroshi ImaiMitsuru AokiHiroyuki Ban
    • H03F1/52H03F3/30H03F3/45H03F3/26
    • H03F3/3071H03F3/45183H03F2203/30036H03F2203/30051H03F2203/45324H03F2203/45352H03F2203/45632H03F2203/45708
    • In an operational amplifier, a differential amplifying circuit is configured to amplify an input voltage inputted from the input terminal. An outputting transistor is connected to the output terminal. A driving transistor is connected to the differential amplifying circuit and the outputting transistor. The driving transistor turns on according to a control signal supplied from the differential amplifying circuit to the driving circuit. The driving transistor is also configured to drive the outputting transistor according to the control signal. A control signal reducing circuit, when a voltage is applied on the driving transistor through the outputting transistor, is configured to reduce the control signal within a range that the driving transistor is kept to on state. The voltage applied on the driving transistor exceeds a predetermined threshold voltage.
    • 在运算放大器中,差分放大电路被配置为放大从输入端输入的输入电压。 输出晶体管连接到输出端子。 驱动晶体管连接到差分放大电路和输出晶体管。 驱动晶体管根据从差分放大电路向驱动电路提供的控制信号导通。 驱动晶体管也被配置为根据控制信号来驱动输出晶体管。 当通过输出晶体管对驱动晶体管施加电压时,控制信号降低电路被配置为在驱动晶体管保持导通状态的范围内减少控制信号。 施加在驱动晶体管上的电压超过预定阈值电压。
    • 77. 发明授权
    • Load-driving semiconductor device
    • 负载驱动半导体器件
    • US06724227B2
    • 2004-04-20
    • US10383084
    • 2003-03-06
    • Hiroshi Imai
    • Hiroshi Imai
    • H03B100
    • H03K17/0822H03K17/04123H03K17/063H03K17/223
    • In a composite IC in which integrated are a power transistor, a bipolar analog circuit and a MOS logic circuit, a load-driving semiconductor device is provided which is capable of certainly placing the power transistor into an off-condition at power-on for stopping the driving of a load. In the semiconductor device, a high-side switch MOS transistor, a charge pump, a bipolar analog circuit, a charge pump driving CMOS logic circuit, a level conversion CMOS logic circuit and a forcibly stopping bipolar transistor 90 are made in the form of an IC, and the forcibly stopping bipolar transistor receives, through its base terminal, a signal which inverts when a drive voltage exceeds a predetermined value to turn to an on-condition. This operation places the bipolar analog circuit into a driving-stopped condition.
    • 在其中集成有功率晶体管,双极性模拟电路和MOS逻辑电路的复合IC中,提供了一种负载驱动半导体器件,其能够在上电时肯定地将功率晶体管置于关闭状态以停止 驱动负载。 在半导体器件中,高边开关MOS晶体管,电荷泵,双极模拟电路,电荷泵驱动CMOS逻辑电路,电平转换CMOS逻辑电路和强制停止双极晶体管90制成 IC,并且强制停止双极晶体管通过其基极端子接收当驱动电压超过预定值时转换为接通状态的信号。 该操作将双极模拟电路置于驱动停止状态。